using GroupService.Domain.Events;
using GroupService.WebApi.Application.GroupMember;
using IM.Commons;
using IM.Commons.IntegrationEvents;
using MassTransit;
using MediatR;

namespace GroupService.WebApi.Application.EventHandler
{
    public class GroupRequestPassedHandler : INotificationHandler<GroupJoinRequestPassedDomainEvent>
    {
        private readonly IPublishEndpoint endpoint;
        private readonly Application.GroupMember.GroupMemberService memberService;
        private readonly ILogger<GroupRequestPassedHandler> logger;

        public GroupRequestPassedHandler(IPublishEndpoint endpoint,
            GroupMemberService memberService, ILogger<GroupRequestPassedHandler> logger)
        {
            this.endpoint = endpoint;
            this.memberService = memberService;
            this.logger = logger;
        }

        public async Task Handle(GroupJoinRequestPassedDomainEvent notification, CancellationToken cancellationToken)
        {
            var request = notification.Request;

            var memberCreateRes = await memberService.CreateAsync(request.GroupId, request.UserId);

            await endpoint.Publish(new GroupRequestPassedEvent(request.Id, request.GroupId, request.GroupProfile.GroupName,
                request.GroupProfile.Avatar, request.UserId,
                request.UserProfile.NickName, request.UserProfile.Avatar,
                request.OperatorId.Value, request.OperatorName,
                request.OperatorAvatar, request.Description,
                request.CreationTime, request.ModificationTime.Value));

            if (!memberCreateRes.Succeeded)
            {
                logger.LogError(memberCreateRes.Message);
                throw new EventHandlerException(memberCreateRes.Message);
            }


        }
    }
}